Sink Drain Wrench Alloy Steel Compatible with Manufacturer Part Number 3845 Hex Wrench Size 1 1/2 in 1 1/4 in Overall Length 8 3/4 in Overall Diameter 1 3/4 in Handy 3/8 in Square Socket Drive for use with 1 1/4 in or 1 1/2 in P traps Removal and Installation of Drain Pipes Tab Nuts and Basket Strainers SAE Not Adjustable Self-Adjusting